* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.App {
  text-align: center;
}

.App-header {
  background-color: #282c34;
  padding: 20px;
  color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.App-header h1 {
  margin-bottom: 20px;
  font-size: 2.5rem;
}

.App-header p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.demo-section {
  margin: 30px 0;
}

.demo-section button {
  background-color: #61dafb;
  border: none;
  padding: 12px 24px;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  color: #282c34;
  font-weight: bold;
  transition: background-color 0.3s;
}

.demo-section button:hover {
  background-color: #21a0c4;
}

.features {
  margin-top: 40px;
  text-align: left;
}

.features h2 {
  margin-bottom: 15px;
}

.features ul {
  list-style: none;
  padding: 0;
}

.features li {
  margin: 10px 0;
  font-size: 1.1rem;
}